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| Criterion |  Engineering Failure Scenario Analysis |  Agile WSJF |  Operations Failure Mode and Effects Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | When many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | High | High | Low |
Timedifferent | 1-3 h | 45-90 min | 2-6 h | 15-30 min |
Participantsdifferent | 3-8 | 3-10 | 3-10 | 2-6 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Ranked Backlog, Cost-of-Delay Assumptions | FMEA Table, Risk Priority, Mitigation Actions | Root cause notes, Countermeasures |
Tagsno overlap | FailureResilienceRisk | LeanEconomicsSequencePrioritization | RiskQualityOperationsRoot cause | Root causeIncidentLeanProblem solving |